Residual stress effects of CMAS infiltration in high temperature jet engine ceramic coatings captured non-destructively with confocal Raman-based 3D rendering

Z Stein, R Naraparaju, U Schulz, L Tetard… - Journal of the European …, 2023 - Elsevier
Abstract Calcium-magnesium-aluminosilicates (CMAS) are ingested by jet engines and
infiltrate into high temperature ceramic coatings during operation. This infiltration increases …

Reliability analysis of thermal barrier coatings under CMAS deposition and penetration

YQ Wang, FL Wang, JK Mao, YB Wang… - Surface and Coatings …, 2024 - Elsevier
To address the issue of thermal barrier coating (TBC) failure and spalling caused by the
deposition and infiltration of environmental particulate matter, a thermal-mechanical …

CMAS Corrosion Behavior of Nanostructured YSZ and Gd-Yb-Y-Stabilized Zirconia Coatings

L Zou, M Gao, N Xu, J Zhang, X Chang - Coatings, 2023 - mdpi.com
With the development of industry, the operating temperature of aero engines and gas
turbines continues to increase; developing thermal barrier coatings (TBCs) with superior …

Simulation of thermal barrier coating spallation induced by the initiation/growth/coalescence of internal crack and interfacial crack based on a real image model

ZY Wei, WW Zhang, P Yi - Ceramics International, 2022 - Elsevier
In the furnace cycle test, the growth of oxide film leads to the propagation and coalescence
of multiple cracks near the interface, which should be responsible for the spallation of …

Stress analysis of an inclusion layer bonded to an irregularly shaped pore under an edge dislocation or a concentrated load

YL Liao, SC Tseng, CK Chao - Journal of Mechanics, 2022 - academic.oup.com
Pores play an important role in the failure analysis of metal castings. During the solidification
process, slag inclusions such as oxides, nitrides and sulfides may form around the pores …

An Oxide Growth-Coupled Viscoplasticity Model and Its Application to Interfacial Stress Analysis near an Air Hole within a Thermal Barrier Coating

P Chen, B Yuan, X Guo, Z Wan, W Sun - Coatings, 2024 - mdpi.com
Strength assessment for thermal barrier coatings (TBCs) is vital in the safety design of hot-
section components in engines. However, several crucial factors, including thermally grown …

Thermal stresses for a coated irregularly shaped hole embedded in an infinite substrate subject to a remote uniform heat flow

YL Liao, SC Tseng, CK Chao - Archive of Applied Mechanics, 2023 - Springer
This article presents analytical solutions for a coated irregularly shaped void embedded in
an infinite substrate subject to remote uniform heat flow. Both the temperature and stress …

[HTML][HTML] Trends in Coatings and Surface Technology

P Sharma, F Ferreira - Coatings, 2024 - mdpi.com
The advancement in material science, industrial evolution, and growing environmental
concerns make it essential for continuous updates in coating and surface technology. To …

New Insights on the Tensile Strength and Fracture Mechanism of c-ZrO2/α-Al2O3 Interfaces

Z Bao, F Shang - Applied Sciences, 2023 - mdpi.com
The tensile strength and fracture properties of the c-ZrO2 (001)/α-Al2O3 (1 1¯ 02) interfaces
were investigated by first-principle tensile simulations. Models with different stacking …

Investigating the effect of CMAS Infiltration on Residual Stress of High Temperature Ceramic Coatings for Turbine Engines using 3D Confocal Raman Spectroscopy

Z Stein - 2022 - stars.library.ucf.edu
Abstract Calcium-magnesium-aluminosilicates (CMAS), such as sand or volcanic ash, are
ingested by aircraft jet engines during operation. CMAS then becomes molten while …